Domains with DNS TXT v=spf1 mx a:out0004.emailopen.com ip4:66.97.162.20 ip4:66.97.162.33 ip4:66.97.162.34 ip4:66.97.163.33 ip4:66.97.163.34 ip4:66.97.162.19 ip4:66.97.163.19 ip4:208.117.51.45 ip4:167.89.81.19 include:us._netblocks.mimecast.com -all

There are 180 domains that have DNS TXT set to v=spf1 mx a:out0004.emailopen.com ip4:66.97.162.20 ip4:66.97.162.33 ip4:66.97.162.34 ip4:66.97.163.33 ip4:66.97.163.34 ip4:66.97.162.19 ip4:66.97.163.19 ip4:208.117.51.45 ip4:167.89.81.19 include:us._netblocks.mimecast.com -all. The top 50 records ordered by domain rank are listed below.